Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thong tu cay snippets" » "phong tuc cay snippets", "thong tin cay snippets", "thong ke cay snippets", "thong tu cac snippets", "thong tu can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thong tu cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong tu cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong tu cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong tu cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.